Home / 141,674.36-195,511.20-85,086.68

Finding the Fourth Proportional to 141,674.36, 195,511.20 and 85,086.68

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Solution

The fourth proportional to 141,674.36, 195,511.20 and 85,086.68 is: 117,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,674.36 : 195,511.20 = 85,086.68 : x
  2. Step 2: Convert to fraction form
    141,674.36/195,511.20 = 85,086.68/x
  3. Step 3: Cross multiply
    141,674.36x = 195,511.20 × 85,086.68
  4. Step 4: Simplify right side
    141,674.36x = 16,635,398,910.82
  5. Step 5: Solve for x
    x = 16,635,398,910.82/141,674.36
  6. Step 6: Final answer
    x = 117,419.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.